994404600 has 576 divisors, whose sum is σ = 4116403200. Its totient is φ = 218350080.

The previous prime is 994404589. The next prime is 994404601. The reversal of 994404600 is 6404499.

994404600 is a `hidden beast` number, since 9 + 9 + 4 + 40 + 4 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994404601) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12587361 + ... + 12587439.

Almost surely, 2^994404600 is an apocalyptic number.

994404600 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994404600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058201600).

994404600 is an abundant number, since it is smaller than the sum of its proper divisors (3121998600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

994404600 is a wasteful number, since it uses less digits than its factorization.

994404600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 994404600 is about 31534.1814544155. The cubic root of 994404600 is about 998.1313770900.

The spelling of 994404600 in words is "nine hundred ninety-four million, four hundred four thousand, six hundred".